He does seem to specialize in females...
https://www.google.com/search?q=Fritz+Zuber-Buhler&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjdsuLytaHaAhUMk1kKHZV-AawQ_AUICigB&biw=1920&bih=974
Maybe,
But I refer to the amusing picture, the “poetess”, all into her art while neglecting her family.